1 /*
2  * Copyright (C) 2010 Apple Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23  * THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #ifndef DownloadProxy_h
27 #define DownloadProxy_h
28 
29 #include "APIObject.h"
30 #include "Connection.h"
31 #include "SandboxExtension.h"
32 #include <WebCore/ResourceRequest.h>
33 #include <wtf/Forward.h>
34 #include <wtf/PassRefPtr.h>
35 
36 namespace WebCore {
37     class AuthenticationChallenge;
38     class ResourceError;
39     class ResourceResponse;
40 }
41 
42 namespace WebKit {
43 
44 class WebContext;
45 class WebData;
46 
47 class DownloadProxy : public APIObject {
48 public:
49     static const Type APIType = TypeDownload;
50 
51     static PassRefPtr<DownloadProxy> create(WebContext*);
52     ~DownloadProxy();
53 
downloadID()54     uint64_t downloadID() const { return m_downloadID; }
request()55     const WebCore::ResourceRequest& request() const { return m_request; }
resumeData()56     WebData* resumeData() const { return m_resumeData.get(); }
57 
58     void cancel();
59 
60     void invalidate();
61     void processDidClose();
62 
63     void didReceiveDownloadProxyMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
64     CoreIPC::SyncReplyMode didReceiveSyncDownloadProxyMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, CoreIPC::ArgumentEncoder*);
65 
66 private:
67     explicit DownloadProxy(WebContext*);
68 
type()69     virtual Type type() const { return APIType; }
70 
71     // Message handlers.
72     void didStart(const WebCore::ResourceRequest&);
73     void didReceiveAuthenticationChallenge(const WebCore::AuthenticationChallenge&, uint64_t challengeID);
74     void didReceiveResponse(const WebCore::ResourceResponse&);
75     void didReceiveData(uint64_t length);
76     void shouldDecodeSourceDataOfMIMEType(const String& mimeType, bool& result);
77     void decideDestinationWithSuggestedFilename(const String& filename, String& destination, bool& allowOverwrite, SandboxExtension::Handle& sandboxExtensionHandle);
78     void didCreateDestination(const String& path);
79     void didFinish();
80     void didFail(const WebCore::ResourceError&, const CoreIPC::DataReference& resumeData);
81     void didCancel(const CoreIPC::DataReference& resumeData);
82 
83     WebContext* m_webContext;
84     uint64_t m_downloadID;
85 
86     RefPtr<WebData> m_resumeData;
87     WebCore::ResourceRequest m_request;
88 };
89 
90 } // namespace WebKit
91 
92 #endif // DownloadProxy_h
93